public class Main {
    public static void main(String[] args) {
        BinarySearchTree binarySearchTree = new BinarySearchTree();
        int[] array = {5,10,3,2,9,13};
        for(int i = 0;i < array.length;i++) {
            binarySearchTree.insert(array[i]);
        }

        binarySearchTree.remove(13);
        System.out.println("======");
    }
}
